ISSN 1991-2927
 

ACP № 4 (58) 2019

The Statistical Properties and Features of Formation of Soft Decisions for Redundant Codes Nonbinary Characters

Anatoly Afanasyevich Gladkikh, Ulyanovsk State Technical University, Doctor of Engineering, graduated from S.M. Budyonny Military Communication Academy, finished his postgraduate studies at the same Academy; Professor at the Department of Telecommunications at Ulyanovsk State Technical University; an author of a monograph, textbooks, research papers, and patents in the field of noiseless coding and information security. [e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ]A. Gladkikh,

Sergei Mikhailovich Namestnikov, Ulyanovsk State Technical University, Candidate of Engineering, Associate Professor of the Department of Telecommunications at Ulyanovsk State Technical University; graduated from UlSTU, finished his postgraduate studies at the same University; an author of papers in the field of static methods of signals processing. [e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ]S. Namestnikov,

Nikita Aleksandrovich Pchelin, Federal Research-and-Production Center Joint Stock Company ‘Research-and-Production Association ‘Mars’, graduated from Ulyanovsk High Education Military Communications Academy; Chief Designer at Federal Research-and-Production Center Joint Stock Company ‘Research-and-Production Association ‘Mars’; an author of papers in the field of noiseless coding. [e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ]N. Pchelin,

Anna Aleksandrovna Shagarova, Ulyanovsk Institute of Civil Aviation named after Chief Marshal of Aviation B.P. Bugaev, Senior Lecturer at the Department of All-professional Disciplines at Ulyanovsk Institute of Civil Aviation named after Chief Marshal of Aviation B.P. Bugaev; an author of papers in the field of diversity signal reception in wireless data networks. [e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ]A. Shagarova

The Statistical Properties and Features of Formation of Soft Decisions for Redundant Codes Nonbinary Characters 000_5.pdf

The article considers the ways of formation of soft decision symbols (sDs) used in the systems with binary modulation. Through the tests of the original statistical models, the properties of these solutions are described, the possibility of their application to problems of adaptive signal processing is shown. Taking into account the cascade scheme of codec construction, the paper considers the novel problem of estimating the reliability of non-binary symbols based on a comprehensive assessment of decoding results of internal code combinations and statistical parameters of sDs obtained for these combinations from continuous channel.

Soft symbol solution, soft non-binary symbol solution, cascade coding.

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